Nekroz of Sophia [CROS-EN038] Secret Rare Mai You can only use this

You can only use this effect of "The Ultimate Creature of Destruction" once per turn

it performs any security checks it normally would) for the turn

cards and effects cannot be activated

If your opponent controls no Toon monsters

Nekroz of Sophia [CROS-EN038] Secret Rare Mai You can only use thisSet: Crossed Souls Card type: Ritual Effect Monster Rarity: Secret Rare Attack: 3600 Defense: 3400 You can Ritual Summon this card with any "Nekroz" Ritual Spell Card. Must be Ritual Summoned from your hand by using 3 monsters you control with different Types, and cannot be Special Summoned by other ways. During either player's Main Phase 1: You can discard this card and 1 "Nekroz" Spell Card; Your opponent cannot Special Summon from the Extra Deck.